Study identifies new threat to bees, a virus carried by the invasive parasitic wasp species Vespula pensylvanica. Scientists say the Moku virus is a threat to all pollinators, not just honey bees.

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Study identifies new threat to bees, a virus carried by the invasive parasitic wasp species Vespula pensylvanica. Scientists say the Moku virus is a threat to all pollinators, not just honey bees.